Niacinamide
Vitamin B3Nicotinic acid
Skin and Hair Care Ingredient
Niacinamide is a form of Vitamin B3 that helps improve the appearance of skin and hair. It can make skin look smoother and more even-toned, and it can also help strengthen hair and make it look healthier.
Low Concern
Source: FDA GRAS list
Niacinamide is generally considered safe for use in skin and hair care products, and it is recognized as a safe ingredient by the FDA.
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Read on PubMedLast updated: May 16, 2026